Found in the December 1974 issue of Radio Electronics, this circuit is similar to the previous one, only using another TTL counter. The circuit must be powered by 5 V.
This circuit can use both separate LEDs and a common cathode display when one segment indicates...
The first transformer is a driver found on transistor radios and the second a small output...
Signals of up to a few tens of kilohertz can be generated by this circuit found in a European...